Storage management system and method

Patent metadata

Field	Value
Publication number	US-11513701-B2
Application number	US-201916402682-A
Country	US
Kind code	B2
Filing date	May 3, 2019
Priority date	May 3, 2019
Publication date	Nov 29, 2022
Grant date	Nov 29, 2022

Abstract

A method, computer program product, and computing system for during a high IOPs period, receiving content to be written to a storage system; storing the content to a specific location within a storage device associated with the storage system; updating a temporary map to include an entry that defines the specific location of the content; and during a subsequent period, binding the content with respect to the storage device.

First claim

What is claimed is:

1. A computer-implemented method, executed on a computing device, comprising:
during a high IOPs period, receiving content to be written to a storage system;
storing the content at a specific location within a storage device associated with the storage system;
updating a temporary map within volatile memory of the storage system to include an entry that defines the specific location of the content, wherein the temporary map within the volatile memory of the storage system is a binary tree;
backing up the temporary map onto persistent memory in a log-structured format; and
during a subsequent period, binding the content with respect to the storage device, building and updating metadata associated with the content within the temporary map, wherein the subsequent period is a period of low IOPs for the storage system and a period of low resources for the temporary map, wherein binding the content with respect to the storage device includes binding the specific location of the content to metadata associated with the content and reclaiming one or more outdated data blocks within the storage device.

2. The computer-implemented method of claim 1 wherein binding the content with respect to the storage device includes:
locating the entry within the temporary map that defines the specific location of the content.

3. The computer-implemented method of claim 2 wherein binding the content with respect to the storage device further includes:
deleting the entry from the temporary map.

4. The computer-implemented method of claim 1 , wherein binding the content with respect to the storage device, building and updating metadata associated with the content within a binary tree includes binding, building and updating leaf metadata, mid metadata, and top metadata within the binary tree.

5. The computer-implemented method of claim 1 , wherein the storage platform includes a plurality of storage devices organized into physical large blocks (PLBs).

6. The computer-implemented method of claim 5 , wherein the PLBs are each two megabytes in size.

7. A computer program product residing on a non-transitory computer readable medium having a plurality of instructions stored thereon which, when executed by a processor, cause the processor to perform operations comprising:
during a high IOPs period, receiving content to be written to a storage system;
storing the content at a specific location within a storage device associated with the storage system;
updating a temporary map within volatile memory of the storage system to include an entry that defines the specific location of the content, wherein the temporary map within the volatile memory of the storage system is a binary tree;
backing up the temporary map onto persistent memory in a log-structured format; and
during a subsequent period, binding the content with respect to the storage device, building and updating metadata associated with the content within the temporary map, wherein the subsequent period is a period of low IOPs for the storage system and a period of low resources for the temporary map, wherein binding the content with respect to the storage device includes binding the specific location of the content to metadata associated with the content and reclaiming one or more outdated data blocks within the storage device.

8. The computer program product of claim 7 wherein binding the content with respect to the storage device includes:
locating the entry within the temporary map that defines the specific location of the content.

9. The computer program product of claim 8 wherein binding the content with respect to the storage device further includes:
deleting the entry from the temporary map.

10. A computing system including a processor and memory configured to perform operations comprising:
during a high IOPs period, receiving content to be written to a storage system;
storing the content at a specific location within a storage device associated with the storage system;
updating a temporary map within volatile memory of the storage system to include an entry that defines the specific location of the content, wherein the temporary map within the volatile memory of the storage system is a binary tree;
backing up the temporary map onto persistent memory in a log-structured format; and
during a subsequent period, binding the content with respect to the storage device, building and updating metadata associated with the content within the temporary map, wherein the subsequent period is a period of low IOPs for the storage system and a period of low resources for the temporary map, wherein binding the content with respect to the storage device includes binding the specific location of the content to metadata associated with the content and reclaiming one or more outdated data blocks within the storage device.

11. The computing system of claim 10 wherein binding the content with respect to the storage device includes:
locating the entry within the temporary map that defines the specific location of the content.

12. The computing system of claim 11 wherein binding the content with respect to the storage device further includes:
deleting the entry from the temporary map.

Assignees

• Emc Ip Holding Co Llc

Inventors

• Shveidel Vladimir
• Gazit Ronen

Classifications

• G06F16/907

  Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually · CPC title

• G06F3/067 Primary

  Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS] · CPC title

• G06F3/0604

  Improving or facilitating administration, e.g. storage management · CPC title

• G06F3/0631 Primary

  by allocating resources to storage systems · CPC title

• G06F3/0638

  Organizing or formatting or addressing of data · CPC title